What is the average of all natural number from 21 to 39?

Therefore Average of 21 to 39=30.

How many natural numbers are there between 21 and 30?

Step-by-step explanation: natural numbers between 21 and 32 are 22,23,24,25,26,27,28,29,30,31.

What are the natural numbers between 20 and 40?

\[20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40\]. So, these are the numbers between \[20\] and \[40\]. \[23,29,31,37\] are the four numbers that do not have factors other than 1 and itself. Since these numbers \[23,29,31,37\]are divisible by themselves and 1, they are prime numbers.

What is the average of natural numbers from 1 to 30?

Answer : The mean of first 30 natural numbers is 15.5. The median of first 30 natural numbers is 15.5.

What are the whole numbers from 1 to 100?

The whole number between 1 and 100 are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 …

What is the average of natural number?

As discussed in previous post, sum of n natural number n(n+1)/2, we find the Average of n natural number so divide by n is n(n+1)/2*n = (n+1)/2. Here 1 if first term and n is last term.

How many natural numbers are there between 21 and 61?

39 whole numbers
in the formula. We have found that there are 39 whole numbers between 21 and 61.

How many whole numbers are there between 21 and 40?

R D Sharma – Mathematics 9 The whole numbers:22, 23, 24, 25,26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50.

What is the sum of all natural numbers from 21 to 50?

Explanation: The sum of natural numbers from 1 to some natural number n is given by the formula: n(n+1)/2. Therefore, the sum of natural numbers between 21 to 50 is 1065.

How many whole numbers are there between 21 and 61?

We have found that there are 39 whole numbers between 21 and 61.

What is the average of 1 to n natural numbers?

Average of first ” n” natural numbers = 2. Average of first ” n” even numbers = ( n + 1 ) 3. Average of first ” n ” odd numbers = n 4. Average of consecutive numbers = 5. Average of 1 to “n” odd numbers = 6. Average of 1 to “n” even numbers = 7.

What is the average of 1 to n odd numbers?

Average of 1 to “n” odd numbers = 6. Average of 1 to “n” even numbers = 7. Average of sum of square of first ” n” natural numbers = 8.

How many natural numbers are there in first 40?

First 40 Natural Numbers Chart (1 – 40) 1 2 3 9 10 11 12 13 19 20 21 22 23 29 30 31 32 33 39 40

What is the average of cubes of first “n” natural numbers?

Average of cubes of first “n” even natural numbers = 2n (n +1) 2 12. Average of cubes of first “n” odd natural numbers = n (2n2 – 1) 13.

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